Watch: Anthony Joshua vs Charles Martin full fight video

Anthony Joshua just needed two rounds in dismantling American heavyweight titlist Charles Martin at the O2 Arena in the UK.

After watching a full and action-packed under-cards infested with knockout performances, finally the main event. But it just took two rounds for Joshua to finish the job. Most fans not being able to finish half of their popcorn.

In the opening bell, Joshua caught Martin with a big right hand and the same big punch dropped and stopped Martin in round 2.